/**
 * MARA Theme — Campus Gallery (Google Stitch masonry + lightbox)
 */

.campus-gallery {
	padding: clamp(3.5rem, 7vw, 5.5rem) 0;
	background: #fff;
}

.campus-gallery__header {
	max-width: 44rem;
	margin: 0 auto 1.75rem;
	text-align: center;
}

.campus-gallery__eyebrow {
	margin: 0 0 0.45rem;
	font-family: var(--mara-font-heading);
	font-size: 0.75rem;
	font-weight: 800;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--mara-primary);
}

.campus-gallery__title {
	margin: 0 0 0.75rem;
	font-family: var(--mara-font-heading);
	font-size: clamp(1.85rem, 4vw, 2.65rem);
	font-weight: 800;
	line-height: 1.15;
	color: #152238;
}

.campus-gallery__intro {
	margin: 0;
	font-size: 1.05rem;
	line-height: 1.65;
	color: var(--mara-text-muted);
}

.campus-gallery__filters {
	display: flex;
	flex-wrap: nowrap;
	gap: 0.55rem;
	margin: 0 0 1.75rem;
	padding-bottom: 0.35rem;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
	scrollbar-width: thin;
}

.campus-gallery__filter {
	flex: 0 0 auto;
	padding: 0.55rem 1rem;
	border: 1px solid var(--mara-border);
	border-radius: 999px;
	background: #f3f4f6;
	color: #152238;
	font-family: var(--mara-font-heading);
	font-size: 0.84rem;
	font-weight: 700;
	cursor: pointer;
	transition: background-color var(--mara-transition), border-color var(--mara-transition), color var(--mara-transition), transform var(--mara-transition);
}

.campus-gallery__filter:hover {
	border-color: var(--mara-primary);
	color: var(--mara-primary);
	transform: translateY(-1px);
}

.campus-gallery__filter.is-active {
	border-color: var(--mara-primary);
	background: var(--mara-primary);
	color: #fff;
}

.campus-gallery__filter:focus {
	outline: none;
}

.campus-gallery__filter:focus-visible {
	outline: 2px solid var(--mara-secondary);
	outline-offset: 2px;
}

.campus-gallery__masonry {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.85rem;
}

@media (min-width: 640px) {
	.campus-gallery__masonry {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		grid-auto-rows: 8px;
		gap: 0.75rem;
	}
}

@media (min-width: 900px) {
	.campus-gallery__masonry {
		grid-template-columns: repeat(3, minmax(0, 1fr));
		gap: 0.8rem;
	}
}

@media (min-width: 1100px) {
	.campus-gallery__masonry {
		grid-template-columns: repeat(5, minmax(0, 1fr));
		gap: 0.75rem;
	}
}

.campus-gallery__item {
	opacity: 0;
	transform: translateY(16px);
	transition:
		opacity 0.5s ease var(--gallery-delay, 0s),
		transform 0.5s ease var(--gallery-delay, 0s),
		filter 0.35s ease;
}

.campus-gallery__item.is-visible {
	opacity: 1;
	transform: none;
}

.campus-gallery__item.is-filtered-out {
	display: none;
}

@media (min-width: 640px) {
	.campus-gallery__item--standard {
		grid-row: span 14;
	}

	.campus-gallery__item--tall {
		grid-row: span 18;
	}

	.campus-gallery__item--wide {
		grid-row: span 12;
	}

	.campus-gallery__item--featured {
		grid-row: span 16;
	}
}

@media (min-width: 1100px) {
	.campus-gallery__item--standard {
		grid-row: span 12;
	}

	.campus-gallery__item--tall {
		grid-row: span 15;
	}

	.campus-gallery__item--wide {
		grid-row: span 11;
	}

	.campus-gallery__item--featured {
		grid-column: span 1;
		grid-row: span 14;
	}
}

.campus-gallery__card {
	display: block;
	width: 100%;
	height: 100%;
	padding: 0;
	border: 0;
	border-radius: 12px;
	overflow: hidden;
	background: #152238;
	cursor: pointer;
	text-align: left;
	position: relative;
}

.campus-gallery__card:focus {
	outline: none;
}

.campus-gallery__card:focus-visible {
	outline: 2px solid var(--mara-secondary);
	outline-offset: 3px;
}

.campus-gallery__media {
	display: block;
	position: relative;
	width: 100%;
	height: 100%;
	min-height: 12rem;
	overflow: hidden;
}

@media (min-width: 640px) {
	.campus-gallery__media {
		min-height: 0;
		height: 100%;
	}
}

.campus-gallery__media img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.55s ease;
}

.campus-gallery__card:hover img,
.campus-gallery__card:focus-visible img {
	transform: scale(1.06);
}

.campus-gallery__overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, transparent 45%, rgba(10, 16, 28, 0.72) 100%);
	opacity: 0.85;
	transition: opacity 0.3s ease;
}

.campus-gallery__card:hover .campus-gallery__overlay,
.campus-gallery__card:focus-visible .campus-gallery__overlay {
	opacity: 1;
}

.campus-gallery__badge {
	position: absolute;
	top: 0.75rem;
	left: 0.75rem;
	z-index: 2;
	padding: 0.28rem 0.6rem;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.95);
	color: var(--mara-primary);
	font-size: 0.68rem;
	font-weight: 800;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.campus-gallery__count {
	position: absolute;
	top: 0.75rem;
	right: 0.75rem;
	z-index: 2;
	min-width: 1.75rem;
	height: 1.75rem;
	padding: 0 0.45rem;
	border-radius: 999px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	background: rgba(15, 23, 15, 0.78);
	color: #fff;
	font-size: 0.78rem;
	font-weight: 700;
	line-height: 1;
}

.campus-gallery__caption {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 2;
	padding: 1rem 0.9rem;
	color: #fff;
}

.campus-gallery__caption-title {
	display: block;
	font-family: var(--mara-font-heading);
	font-size: 0.95rem;
	font-weight: 800;
	line-height: 1.3;
}

.campus-gallery__empty {
	margin: 1rem 0 0;
	text-align: center;
	color: var(--mara-text-muted);
}

.campus-gallery__actions {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.75rem;
	margin-top: 2rem;
}

.campus-gallery__actions .mara-btn {
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
}

/* Lightbox */
.gallery-lightbox {
	position: fixed;
	inset: 0;
	z-index: 10060;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0.75rem;
}

.gallery-lightbox[hidden] {
	display: none;
}

.gallery-lightbox__backdrop {
	position: absolute;
	inset: 0;
	background: rgba(8, 10, 16, 0.88);
	opacity: 0;
	transition: opacity 0.25s ease;
}

.gallery-lightbox.is-open .gallery-lightbox__backdrop {
	opacity: 1;
}

.gallery-lightbox__dialog {
	position: relative;
	z-index: 1;
	width: min(72rem, 100%);
	max-height: 100vh;
	overflow: auto;
	border-radius: 16px;
	background: #0f1420;
	color: #fff;
	transform: translateY(16px) scale(0.98);
	opacity: 0;
	transition: transform 0.28s ease, opacity 0.28s ease;
}

.gallery-lightbox.is-open .gallery-lightbox__dialog {
	transform: none;
	opacity: 1;
}

.gallery-lightbox__toolbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	padding: 0.85rem 1rem;
}

.gallery-lightbox__counter {
	margin: 0;
	font-size: 0.85rem;
	font-weight: 700;
	letter-spacing: 0.04em;
	color: rgba(255, 255, 255, 0.78);
}

.gallery-lightbox__tools {
	display: flex;
	align-items: center;
	gap: 0.35rem;
}

.gallery-lightbox__tool,
.gallery-lightbox__close,
.gallery-lightbox__nav {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.5rem;
	height: 2.5rem;
	border: 0;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.1);
	color: #fff;
	cursor: pointer;
}

.gallery-lightbox__tool:hover,
.gallery-lightbox__close:hover,
.gallery-lightbox__nav:hover,
.gallery-lightbox__tool:focus-visible,
.gallery-lightbox__close:focus-visible,
.gallery-lightbox__nav:focus-visible {
	background: var(--mara-primary);
}

.gallery-lightbox__tool:focus,
.gallery-lightbox__close:focus,
.gallery-lightbox__nav:focus {
	outline: none;
}

.gallery-lightbox__tool:focus-visible,
.gallery-lightbox__close:focus-visible,
.gallery-lightbox__nav:focus-visible {
	outline: 2px solid var(--mara-secondary);
	outline-offset: 2px;
}

.gallery-lightbox__nav {
	position: absolute;
	top: 45%;
	z-index: 3;
	transform: translateY(-50%);
}

.gallery-lightbox__nav--prev {
	left: 0.75rem;
}

.gallery-lightbox__nav--next {
	right: 0.75rem;
}

.gallery-lightbox__stage {
	margin: 0;
	padding: 0 1rem;
	aspect-ratio: 16 / 10;
	background: #0a0d14;
	overflow: hidden;
}

.gallery-lightbox__stage img {
	width: 100%;
	height: 100%;
	object-fit: contain;
	transition: opacity 0.3s ease;
}

.gallery-lightbox__stage.is-swapping img {
	opacity: 0.35;
}

.gallery-lightbox__meta {
	padding: 1rem 1.15rem 0.5rem;
}

.gallery-lightbox__category {
	margin: 0 0 0.35rem;
	color: var(--mara-secondary);
	font-size: 0.72rem;
	font-weight: 800;
	letter-spacing: 0.1em;
	text-transform: uppercase;
}

.gallery-lightbox__title {
	margin: 0 0 0.45rem;
	font-family: var(--mara-font-heading);
	font-size: clamp(1.2rem, 2.5vw, 1.65rem);
	font-weight: 800;
}

.gallery-lightbox__description,
.gallery-lightbox__date {
	margin: 0 0 0.45rem;
	color: rgba(255, 255, 255, 0.78);
	font-size: 0.92rem;
	line-height: 1.55;
}

.gallery-lightbox__thumbs {
	display: flex;
	gap: 0.5rem;
	padding: 0.75rem 1rem 1.15rem;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}

.gallery-lightbox__thumb {
	flex: 0 0 auto;
	width: 4.5rem;
	height: 3.1rem;
	padding: 0;
	border: 2px solid transparent;
	border-radius: 8px;
	overflow: hidden;
	background: #1a2030;
	cursor: pointer;
}

.gallery-lightbox__thumb.is-active {
	border-color: var(--mara-primary);
}

.gallery-lightbox__thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	filter: grayscale(0.4);
}

.gallery-lightbox__thumb.is-active img {
	filter: none;
}

body.gallery-lightbox-open {
	overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
	.campus-gallery__item,
	.campus-gallery__media img,
	.campus-gallery__filter,
	.gallery-lightbox__backdrop,
	.gallery-lightbox__dialog,
	.gallery-lightbox__stage img {
		transition: none !important;
		transform: none !important;
	}

	.campus-gallery__item {
		opacity: 1;
	}
}